Soft Caterpillar 1869926-00, rating 549HP@2100rpm; 1849LB-FT@1200rpm. 550HP 1850lb-ft 2300 TEL 1996 MY | | Low NOx Kit Software | | 5EK00000-up | | SOFTWARE DATE CODE: Dec99 | | INTERLOCK CODE: 434 | | Rating#1: | | 549HP@2100rpm, | | 1849LB-F